USSR 1961 Vostok 2

Vostok 2, launched on August 6, 1961, carried cosmonaut Gherman Titov into orbit for a full day in order to study the effects of a more prolonged period of weightlessness on the human body. Titov orbited the Earth over 17 times, and was the second human to orbit the Earth.

Vostok 2 launch, special Vilnius postmark 6 August 1961.

Vostok 2 landing, special Vilnius postmark 7 August 1961.

Vostok 2 special Kiev postmark 7 August 1961.

Vostok 2 special red Moscow postmark 6-7 August 1961, signed by Gherman Titov.

Vostok 2 special black Moscow postmark 6-7 August 1961, signed by Gherman Titov.